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All Journal JTM - Jurnal Teknik Mesin Jurnal Mekanik Terapan Venus: Jurnal Publikasi Rumpun Ilmu Teknik
Amiruddin Abdullah
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Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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RANCANG BANGUN TEKNOLOGI PEMBUATAN ARANG TEMPURUNG KELAPA CACAHAN Yohanis Yokasing; Emilus T Kosat; Amiruddin Abdullah; Antonius Pangalinan
Jurnal Teknik Mesin Vol 3 No 2 (2020): Jurnal Teknik Mesin
Publisher : P3M- Politeknik Negeri Kupang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32511/jtm.v3i2.717

Abstract

Arang tempurung kelapa sebagai bahan bakar, yang memiliki kalor yang tinggi. Untuk itu dilakukan kajian teknologi arang pembuatan tempurung kelapa cacahan. Rancang bangun teknologi tempurung kelapa yang berhasil dibuat, memiliki spesifikasi sebagai berikut, tinggi 800 mm (tidak memperhitungkan cerobang asap), lebar 500 mm, menggunakan isolasi sebanyak 2 buah, blower penyalur udara, kapasitas tempurung 1 kg sekali proses. Hasil uji coba alat menunjukan 1 kg tempurung berkisar 34, 35, dan 36 cacahan tempurung kelapa tergantung ukuran tempurung, dari hasil yang didapat setelah percobaan secara tradisional dari 36 tempurung yang dibakar 25 yang terbentuk menjadi arang dengan presentasi 69 %, sedangkan mennggunakan alat dari 36 tempurung yang dibakar, 30 yang terbentuk menjadi arang dengan presentasi 83 %.
Optimisasi Desain dan Kinerja Alat Kupas Kulit Polong Kacang Tanah yang Portable Yohanes, Yohanes Benediktus Yokasing; Amiruddin Abdullah; Alexius Leonardo Johanis; Fransiskus Sapar; Aditya Christian Putra Mandala; James Evan Leha
Jurnal Mekanik Terapan Vol 6 No 2 (2025): Agustus 2025
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/jmt.v6i2.7663

Abstract

The peeling machine for peanut shells, which has limitations and achieves a peeling capacity of only 85%, requires optimization. To this end, the friction, pressure, and gravity involved are analyzed. The design concept of the peeling machine considers the topographic conditions, particularly in the East Nusa Tenggara (NTT) region. The result of this optimization produces the 'Peeling Machine for Peanut Shells.' The resulting peeling machine has the following specifications: height of 700 mm, length of 50 mm, width of 37 mm, operated manually, with a production capacity of approximately 0.86 ounces per second. The performance, in terms of rotation speed and the number of peeled peanuts, shows a significant correlation with increased capacity. Increasing the diameter of the blades also contributes to higher output. At a speed of 60 rpm, a closer blade distance (11 mm) yields the best results, indicating that the optimization of machine design needs to consider the blade distance in relation to the rotation speed to enhance efficiency.
Pembuatan Perontok Jagung Berdiameter 200x600 mm dengan 48 Tonjolan untuk Kapasitas 100 kg/Jam Syamsul Hadi; Amiruddin Abdullah; Yohanes Benediktus Yokasing; Adi Susanto; Agustinus Deka Betan
Venus: Jurnal Publikasi Rumpun Ilmu Teknik  Vol. 4 No. 2 (2026): Venus: Jurnal Publikasi Rumpun Ilmu Teknik
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/venus.v4i2.1387

Abstract

The problems faced in threshing corn kernels from the cob are still done manually which requires a lot of energy and time. The purpose of making a corn thresher is to obtain lower energy and time requirements for threshing corn kernels. The method of making a corn thresher includes: protrusion design from an M6 L-key bolt measuring 10×25 mm with a strength of 370 MPa, installation of a 19 mm protrusion position in a spiral at an angle of 45o through a bolt thread on a threshing rotor with a diameter of 200 mm and a length of 600 mm with a total of 48 protrusions, making threshing device components with an angle of 15o, assembling components, testing the device at a rotor speed of 700 rpm from a motor speed of 1400 rpm which is reduced by a V belt and Pulley for hybrid corn variety Nusa-01 with a maximum water content of 14%, a corn fruit diameter of about 50 mm and a length of about 20 cm, evaluation of the device and threshing results. The result of making corn thresher is a cylindrical protrusion from an M6 L-key bolt measuring 10×25 mm with a strength of 370 MPa, the position of the 19 mm protrusion is spirally angled at 45o through the bolt thread on the thresher rotor with a diameter of 200 mm and a length of 600 mm, the number of protrusions is 48 pieces, the production cost is IDR 212,000, the duration of the production process is 240 minutes/unit which implies that corn can be threshed with corn kernel destruction of less than 7%.
Co-Authors Adi Susanto Aditya Christian Putra Mandala Agustinus Deka Betan Alexius Leonardo Johanis Antonius Pangalinan Emilus T Kosat James Evan Leha Sapar, Fransiskus Syamsul Ph.D M.A. Hadi Yohanes Benediktus Yokasing Yohanes, Yohanes Benediktus Yokasing Yohanis Yokasing